[ADD] refactoring the structure of completion in order to limit the number of browse.

We only tries to alter function that should not be inherited on strandard way of using the addons

account_statement_base_import/statement.py

@@ -46,7 +46,7 @@ class AccountStatementProfil(Model):
             help="Tic that box to automatically launch the completion "
                  "on each imported file using this profile."),
         'last_import_date': fields.datetime("Last Import Date"),
-        'rec_log': fields.text('log', readonly=True, deprecated=True),
+        #'rec_log': fields.text('log', readonly=True, deprecated=True),
         'import_type': fields.selection(
             get_import_type_selection,
             'Type of import',
@@ -278,6 +278,21 @@ class AccountStatementLine(Model):
             cr.rollback()
             raise osv.except_osv(_("ORM bypass error"),
                                  sql_err.pgerror)
+
+    def _update_line(self, cr, uid, vals, context=None):
+        """ Do raw update into database because ORM is awfully slow
+            when doing batch write. It is a shame that batch function
+            does not exist"""
+        cols = self._get_available_columns([vals])
+        tmp_vals = (', '.join(['%s = %%(%s)s' % (i, i) for i in cols]))
+        sql = "UPDATE account_bank_statement_line SET %s where id = %%(id)s;" % tmp_vals
+        try:
+            cr.execute(sql, vals)
+        except psycopg2.Error as sql_err:
+            cr.rollback()
+            raise osv.except_osv(_("ORM bypass error"),
+                                 sql_err.pgerror)
+
     _columns = {
         'commission_amount': fields.sparse(
             type='float',